Arnoretum

Alternate, simple, 5 to 8 inches long, oblong in shape with 7 to 11 bristle-tipped lobes, sinuses extend 1/3 to 1/2 of the way to midvein, generally very uniform in shape, dull green to blue-green above and paler below.
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Flower:

Monoecious; males in yellow-green slender, hanging catkins, 2 to 4 inches long; females are borne on short axiliary spikes, appearing with the leaves in spring.
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Fruit:

Acorns are 3/4 to 1 inch long and nearly round; cap is flat and thick, covering about 1/4 or less of the acorn, resembling a beret; matures in 2 growing seasons, in late summer and fall.
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